:root {
    --gold: #c9a84c;
    --gold-light: #e8c96a;
    --gold-dark: #8a6d2e;
    --dark: #0d0b08;
    --dark2: #1a1610;
    --dark3: #251f15;
    --parchment: #f0e8d0;
    --parchment-dark: #d4c49a;
    --red: #8b1a1a;
    --ink: #2a1f0e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--dark);
    color: var(--parchment);
    font-family: 'Crimson Text', serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background-image:
            radial-gradient(ellipse at 20% 20%, rgba(201,168,76,0.06) 0%, transparent 50%),
            radial-gradient(ellipse at 80% 80%, rgba(139,26,26,0.08) 0%, transparent 50%),
            url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a84c' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.container {
    width: 100%;
    max-width: 460px;
}

.header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.header::before, .header::after {
    content: '';
    display: block;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
    margin: 0.75rem 0;
}

.header h1 {
    font-family: 'Cinzel', serif;
    font-size: clamp(1.4rem, 4vw, 2rem);
    font-weight: 900;
    color: var(--gold-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 0 30px rgba(201,168,76,0.4);
    transition: opacity 0.3s;
}

.header p {
    font-style: italic;
    color: var(--parchment-dark);
    font-size: 1.05rem;
    margin-top: 0.4rem;
    min-height: 1.6em;
    transition: opacity 0.3s;
}

.card {
    background: linear-gradient(145deg, var(--dark2), var(--dark3));
    border: 1px solid var(--gold-dark);
    border-radius: 4px;
    padding: 2rem 2.5rem;
    position: relative;
    box-shadow: 0 8px 40px rgba(0,0,0,0.6), inset 0 1px 0 rgba(201,168,76,0.15);
}

.card::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(201,168,76,0.12);
    border-radius: 2px;
    pointer-events: none;
}

.card::after {
    content: '✦';
    position: absolute;
    top: 10px; left: 12px;
    color: var(--gold-dark);
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Tab switcher */
.tabs {
    display: flex;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--gold-dark);
}

.tab-btn {
    flex: 1;
    font-family: 'Cinzel', serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.7rem 0.5rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--parchment-dark);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: -1px;
}

.tab-btn:hover { color: var(--gold-light); }

.tab-btn.active {
    color: var(--gold-light);
    border-bottom-color: var(--gold-light);
}

/* Forms */
.form-panel { display: none; }
.form-panel.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.form-panel.active { animation: fadeIn 0.25s ease; }

.field {
    margin-bottom: 1.25rem;
}

.field label {
    display: block;
    font-family: 'Cinzel', serif;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.45rem;
}

.field input {
    width: 100%;
    background: rgba(0,0,0,0.35);
    border: 1px solid rgba(201,168,76,0.25);
    border-radius: 3px;
    padding: 0.65rem 0.85rem;
    color: var(--parchment);
    font-family: 'Crimson Text', serif;
    font-size: 1.05rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 10px rgba(201,168,76,0.2);
}

.field input.error {
    border-color: var(--red);
    box-shadow: 0 0 8px rgba(139,26,26,0.3);
}

.field-error {
    font-style: italic;
    color: #c97070;
    font-size: 0.9rem;
    margin-top: 0.35rem;
    display: none;
}

.field-error.visible { display: block; }

.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold-dark), transparent);
    margin: 1.5rem 0;
}

.btn-primary {
    width: 100%;
    font-family: 'Cinzel', serif;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 0.9rem 2rem;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    border: none;
    color: var(--ink);
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(201,168,76,0.3);
    border-radius: 2px;
    margin-top: 0.5rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    box-shadow: 0 6px 20px rgba(201,168,76,0.45);
    transform: translateY(-1px);
}

.footer-link {
    text-align: center;
    margin-top: 1.25rem;
    font-style: italic;
    color: var(--parchment-dark);
    font-size: 0.95rem;
}

.footer-link a {
    color: var(--gold);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

.footer-link a:hover {
    color: var(--gold-light);
    border-bottom-color: var(--gold-light);
}

@media (max-width: 500px) {
    .card { padding: 1.5rem 1.25rem; }
}